{
  "timeline": [
    {
      "date": "1967/10",
      "tags": [
        "新規事業"
      ],
      "category": "新規事業",
      "region": "",
      "importance": 2,
      "event": "日本電信電話公社にデータ通信本部を設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1985/4",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 2,
      "event": "日本電信電話㈱が設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1985/11",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "データ通信本部からデータ通信事業本部へ改組",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/5",
      "tags": [
        "会社設立"
      ],
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "資本金100億円により東京都港区に設立（商号「エヌ・ティ・ティ・データ通信株式会社」）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/6",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "特別第二種電気通信事業者（第20号）の登録",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/7",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "日本電信電話㈱から同社データ通信事業本部に属する営業を譲り受け、営業を開始",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/7",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "建設業 建設大臣許可（(特一63)第13287号）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/7",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "事業部を改組し、公共、金融及び産業の各システム事業本部を設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/2",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "システムインテグレーターの登録・認定",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1992/11",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本店所在地を東京都江東区へ移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/11",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "デミング賞実施賞を受賞",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1995/4",
      "tags": [
        "株式上場"
      ],
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第二部に上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1996/6",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "商号の英文表示をNTT DATA CORPORATIONに変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1996/9",
      "tags": [
        "株式上場"
      ],
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所市場第一部に指定",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/5",
      "tags": [
        "株主対応"
      ],
      "category": "株主対応",
      "region": "",
      "importance": 1,
      "event": "発行済株式総数、資本金及び資本準備金の増加",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/8",
      "tags": [
        "株主対応"
      ],
      "category": "株主対応",
      "region": "",
      "importance": 1,
      "event": "発行済株式総数の増加",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/8",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 2,
      "event": "商号を「株式会社エヌ・ティ・ティ・データ」に変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/11",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "電気通信事業法の改正により、特別第二種電気通信事業者から一般第二種電気通信事業者へ変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/7",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ISO14001の認証を取得",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/9",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "情報セキュリティ管理の国際的規格「BS7799」を取得",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/8",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "㈱ジェイティソフトサービスのソフトウェア事業部門の分社型分割により、㈱エヌ・ティ・ティ・データ・ウェーブを設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/8",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "情報セキュリティマネジメントシステム（ISMS）適合性評価制度の認証を取得",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/4",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 2,
      "event": "国際事業推進本部を設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/8",
      "tags": [
        "研究開発"
      ],
      "category": "研究開発",
      "region": "",
      "importance": 1,
      "event": "オープンソース開発センタを設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/6",
      "tags": [
        "ガバナンス改革"
      ],
      "category": "ガバナンス改革",
      "region": "",
      "importance": 2,
      "event": "執行役員制を導入",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/6",
      "tags": [
        "ガバナンス改革"
      ],
      "category": "ガバナンス改革",
      "region": "",
      "importance": 1,
      "event": "取締役員数を10名以内に削減",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/8",
      "tags": [
        "設備投資"
      ],
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "豊洲センタービルアネックスへ大規模集約",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/5",
      "tags": [
        "企業買収"
      ],
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、ジェトロニクス㈱が子会社となる。同時に商号を「エヌ・ティ・ティ・データ・ジェトロニクス株式会社」に変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/10",
      "tags": [
        "海外進出"
      ],
      "category": "海外進出",
      "region": "",
      "importance": 2,
      "event": "NTT DATA EUROPE GmbH & CO. KGを設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/12",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 3,
      "event": "経営権取得により、独SAP系システムインテグレーターのitelligence AGが子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/4",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 2,
      "event": "国際事業本部を設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/4",
      "tags": [
        "企業買収"
      ],
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、セントラル・コンピュータ・サービス㈱（現・㈱エヌ・ティ・ティ・データCCS）が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/10",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、BMWグループの情報システム子会社Cirquent GmbHが子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/10",
      "tags": [
        "企業買収"
      ],
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、パナソニックMSE㈱（現・㈱NTTデータMSE）が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/1",
      "tags": [
        "企業買収"
      ],
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、㈱日本総研ソリューションズ（現・㈱JSOL）が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/7",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "カンパニー制を導入し、パブリック&フィナンシャルカンパニー、グローバルITサービスカンパニー、ソリューション&テクノロジーカンパニーを設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/3",
      "tags": [
        "企業買収"
      ],
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、㈱エヌジェーケーが子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/7",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、米Intelligroup, Inc.が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/12",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 3,
      "event": "経営権取得により、米Keane International, Inc.及びKeane, Inc.が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/6",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、伊Value Team S.p.A.が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/7",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 2,
      "event": "㈱北京エヌ・ティ・ティ・データ・ジャパン、㈱ビー・エヌ・アイ・システムズを統合し、㈱NTTデータ・チャイナ・アウトソーシングを設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/1",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 2,
      "event": "Keane, Inc.が商号を「NTT DATA Inc.」に変更。米州地域のグループ会社の統合に着手",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/1",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "Keane International, Inc.が商号を「NTT DATA International Services, Inc.」に変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/1",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "Intelligroup, Inc.が商号を「NTT DATA Enterprise Application Services, Inc.」に変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/3",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 2,
      "event": "NTT DATA EMEA LTD.を設立。EMEA地域のグループ会社の統合に着手",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/3",
      "tags": [
        "企業買収"
      ],
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、㈱JBISホールディングス及び日本電子計算㈱が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/3",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 1,
      "event": "NTT DATA Enterprise Application Services, Inc.をNTT DATA Inc.に統合",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/4",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 1,
      "event": "ブランドロゴを変更。APAC及び中国地域の組織再編に着手",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/4",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "Value Team S.p.A.が商号を「NTT DATA ITALIA S.P.A.」に、Cirquent GmbHが商号を「NTT DATA Deutschland GmbH」に変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/7",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 2,
      "event": "グローバルビジネスカンパニーを設置。グローバルビジネス統括本部を再編し、グローバル事業本部を設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/10",
      "tags": [
        "株主対応"
      ],
      "category": "株主対応",
      "region": "",
      "importance": 1,
      "event": "発行済株式総数の増加",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/12",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、米Optimal Solutions Integration Holdings, Inc.が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/1",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 3,
      "event": "経営権取得により、スペインのEVERIS PARTICIPACIONES, S.L.U.が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/3",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "Optimal Solutions Integration Holdings, Inc.が商号を「NTT DATA Enterprise Services Holdings, Inc.」に変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/5",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、独GISA GmbHが子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/3",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 1,
      "event": "NTT DATA International Services, Inc.をNTT DATA Inc.に統合",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/7",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "カンパニー制を廃止し、事業本部を再編成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/7",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 2,
      "event": "経営権取得により、米Carlisle & Gallagher Consulting Group, Inc.が子会社に",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/11",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 3,
      "event": "米Dell Services部門の譲り受けの98.0%以上が完了",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/3",
      "tags": [
        "企業買収",
        "海外進出"
      ],
      "category": "企業買収|海外進出",
      "region": "",
      "importance": 2,
      "event": "米Dell Services部門の譲り受けの99.9%以上が完了",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/7",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 2,
      "event": "グローバル事業本部を再編し、北米事業本部、EMEA・中南米事業本部、中国・APAC事業本部、グローバルマーケティング本部を設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/7",
      "tags": [
        "株主対応"
      ],
      "category": "株主対応",
      "region": "",
      "importance": 1,
      "event": "発行済株式総数の増加",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/10",
      "tags": [
        "株主対応"
      ],
      "category": "株主対応",
      "region": "",
      "importance": 2,
      "event": "直接的な親会社が日本電信電話㈱からNTT㈱へ変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/6",
      "tags": [
        "ガバナンス改革"
      ],
      "category": "ガバナンス改革",
      "region": "",
      "importance": 2,
      "event": "監査等委員会設置会社へ移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/9",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 2,
      "event": "欧州・中東・アフリカ・中南米の海外事業を統括する新会社「NTT DATA EMEAL」を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "tags": [
        "株式上場"
      ],
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所の市場区分見直しに伴い、東京証券取引所市場第一部からプライム市場へ移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/7",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "テクノロジーコンサルティング&ソリューション分野、及びコンサルティング&アセットビジネス変革本部を設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/7",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 1,
      "event": "グローバル分野を設置。また、グローバルガバナンス本部、グローバルイノベーション本部を設置",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/10",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 3,
      "event": "NTT Ltd.と当社海外事業を統合し、日本電信電話㈱との共同出資により海外事業会社である㈱NTT DATA, Inc.を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/10",
      "tags": [
        "株主対応"
      ],
      "category": "株主対応",
      "region": "",
      "importance": 2,
      "event": "親会社が日本電信電話㈱のみに",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/7",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "国内事業会社である㈱NTTデータを設立するとともに、持株会社体制へ移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/7",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 3,
      "event": "商号を「株式会社NTTデータグループ」に変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/4",
      "tags": [
        "組織再編",
        "海外進出"
      ],
      "category": "組織再編|海外進出",
      "region": "",
      "importance": 2,
      "event": "㈱NTT DATA, Inc.を3つのリージョナルユニット（North America、EMEAL、APAC）とグローバルユニット（Global Technology and Solution Services）に再編",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/8",
      "tags": [
        "株主対応"
      ],
      "category": "株主対応",
      "region": "",
      "importance": 2,
      "event": "臨時株主総会において、当社株式256,029,428株を1株に併合する株式併合の件を賛成99.99%で可決（効力発生日は2025年9月30日）",
      "detail": "",
      "significance": "",
      "source": "臨時報告書（2025年9月2日提出）"
    },
    {
      "date": "2025/9",
      "tags": [
        "上場廃止"
      ],
      "category": "上場廃止",
      "region": "",
      "importance": 3,
      "event": "2025年9月26日をもって東京証券取引所プライム市場において上場廃止（最終売買日は9月25日、8月29日から整理銘柄に指定）",
      "detail": "",
      "significance": "",
      "source": "適時開示「当社株式の上場廃止のお知らせ」（2025年9月25日）"
    },
    {
      "date": "2025/9",
      "tags": [
        "株主対応"
      ],
      "category": "株主対応",
      "region": "",
      "importance": 3,
      "event": "2025年9月30日に株式併合の効力が発生し、1株以上の当社株式を有する株主はNTT㈱のみに",
      "detail": "",
      "significance": "",
      "source": "臨時報告書（2025年9月2日提出）"
    }
  ]
}
